Because fossil fuels are running out, scientists are trying to develop alternative________ of energy.
Kiến thức từ vựng:
- origin (n): nguồn gốc
- input (n): đầu vào
- product (n): sản phẩm
- source (n): nguồn => sources of energy: các nguồn năng lượng
Tạm dịch: Vì nhiên liệu hóa thạch đang cạn kiệt, các nhà khoa học đang cố gắng phát triển các nguồn năng lượng thay thế.
→ Chọn đáp án D
I am certain that he finished all his exercises and went shopping.
Numerous companies have been________since the outbreak of the Covid 19.
Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of stress in each of the following questions.
The press published two different________ of the news story, which made the viewers confused.
When I came to visit my mom last Sunday, she______ in the kitchen.
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Persuading him is like flogging a dead horse. He never does as we expect.
The preservation of ________ resources is essential in today's economic and technological development.
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The novel which I borrow from you last week is really exciting.
They have carried out exhausting research into the effects of smartphones on schoolchildren's behavior and their academic performance.